What is the area around the cylinders called that allows coolant to circulate through to remove heat?
What will be an ideal response?
water jacket
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A rule for ____ circuits states that the total current in a ____ circuit is the sum of the currents through the individual paths.
a. series b. combination c. parallel d. reverse
Technician A says low oil pressure may be the result of a shaft fitted with a check ball in which the check ball does not seat properly. Technician B says scoring of the shaft may be the result of a blocked oil delivery passage. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
Under what conditions is the amperage set on a machine equal to the actual welding current?
What will be an ideal response?
Answer the following statement(s) true (T) or false (F)
1. A concentrated-field universal motor is usually a salient-pole motor with two poles and a winding of relatively few turns. 2. Universal motors are speed-regulated by inserting resistance in parallel with the motor. 3. In a universal motor, severe arcing at the brushes from changing the direction of rotation is prevented by shifting the brushes to the neutral (sparkless) plane or by adding a compensating winding. 4. Although conductively compensated motors have a low starting torque, the speed regulation is very good. 5. Article 430 of the National Electrical Code® provides requirements for the motor branch-circuit overcurrent protection, motor overcurrent protection, and wire sizes for motor circuits.